method MagickImage.prototype.vignetteRe-exportimport { MagickImage } from "https://deno.land/x/lume@v1.18.5/deps/imagick.ts"; vignette(): voidvignette(radius: number,sigma: number,x: number,y: number,): voidReturnsvoidParametersradius: numbersigma: numberx: numbery: numberReturnsvoid